Strategic Positioning Options for Scientific Libraries in Markets of Scientific and Technical Information - the Economic Impact of Digitization. - Andreas Geyer-Schulz; Andreas W. Neumann; Annika Heitmann; Karsten Stroborn (J. Digit. Inf., 2003)

(Mobiles) Bezahlen aus der Sicht des Online-Händlers: Status Quo und Perspektiven. - Jens-Werner Hinrichs; Karsten Stroborn; Sebastian van Baal (Workshop Mobile Commerce, 2004)